Users of controversial utility software MacKeeper who are not up-to-date on the latest version are vulnerable to a serious security flaw that can trick users into passing their admin passwords onto attackers, thus leaving the Mac vulnerable to a complete remote takeover. Though the problem has been fixed in version 3.4.1 of the much-maligned "cleanup" utility, the flaw is being actively exploited in the wild by attackers preying on users who have not updated.
